Office shooting suspect on the loose

SWAT police officers inspect the roof of an office building after a shooting at the building in Phoenix on Wednesday, Jan. 30. (AP Photo/Patrick Sison)

A gunman opened fire at office complex in Arizona's largest city Wednesday, killing the CEO of a company, wounding two other people and setting off a manhunt. Police warned the public that the suspect was "armed and dangerous."

Authorities identified the suspect as Arthur D. Harmon, who they said opened fire at the end of a mediation session. Authorities believe Harmon acted alone and fled the scene in a car after the 10:30 a.m. shooting. Sgt. Tommy Thompson, a Phoenix police spokesman.

Harmon allegedly shot at someone who tried to follow him after the shooting in an attempt to get his license plate number, according to authorities.

Authorities identified a man who died hours after the shooting as 48-year-old Steve Singer. Police believe he was the target of the attack, along with a 43-year-old man who was wounded, Thompson said.

"It was not a random shooting," Thompson said.

According to court documents, Harmon had filed a lawsuit against Scottsdale-based Fusion Contact Centers LLC, where Singer was the CEO.